The European Rail Traffic Management System (ERTMS) is a single interoperable train control and command system in the European Union. It enhances cross-border interoperability, creating a seamless, EU-wide railway system. The EU Agency for Railways is the system authority for ERTMS.

One-Stop Shop

The One-Stop Shop (OSS) is the single entry point through which all application files for Single Safety Certificates, Vehicle Authorisations and ERTMS Trackside Approvals shall be submitted.